2003 Chevrolet Trailblazer Ext Fuel Pumps
Keep Your 2003 Chevrolet Trailblazer Ext in Top Shape with Quality Fuel Pumps
Whether you’re repairing or upgrading your Fuel Pump, using high-quality parts is key to keeping your 2003 Chevrolet Trailblazer Ext looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Fuel Pump Harness, Fuel Cap Tester Adapters, and Fuel Pumps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 2003 Chevrolet Trailblazer Ext Fuel Pump at Advance Auto Parts is around $161.21, with a range that starts at $16.99 and goes up to $401.99. With 5 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Fuel Pump Module Assembly: With Float Arm, Seal, Fuel Pump Wiring Harness, and Fuel Cap Tester Adapter start at just $16.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Fuel Pump, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 2003 Chevrolet Trailblazer Ext in peak condition, inside and out.
Find Your Specific 2003 Chevrolet Trailblazer Ext Fuel Pumps
Looking for the perfect Fuel Pump for your 2003 Chevrolet Trailblazer Ext? You’re in the right place. Below, you’ll find links to various types of Fuel Pumps that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Fuel Pumps, ensuring durability and a precise fit for your Chevrolet Trailblazer Ext. Whether you’re driving a 2003 model or another popular model year like
2002,
2004,
2005, and
2006, we’ve got you covered. Purchasing Fuel Pumps from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Fuel Pumps that fit your vehicle.
Essential 2003 Chevrolet Trailblazer Ext Fuel Pumps
Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.M2510465)
from
$159.99
Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications for fit, form and function
- 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
- OE upgraded turbine impellers greatly reduce fuel pulsation
- All fuel pumps are 100% performance tested
- Includes installation gaskets or seals where applicable
Dorman – Fuel Pump Module: Includes, Fuel Pump; Harness and Connectors (Part No.2630353)
from
$212.99
This fuel pump module assembly matches the fit and function of the original parts in specific vehicles. Built from durable materials, this pump is designed to be reliable over a long service life.
Product Features:
See More
Product Features:
- Direct replacement – this fuel pump assembly matches the fit and function of the original equipment fuel pump on specified vehicles
- Durable construction – this fuel pump is made of quality materials for a long service life
- Saves money – offers original equipment quality at a competitive price
- Quality assured – this fuel pump assembly has undergone rigorous testing to ensure reliable performance
Carquest Premium – Fuel Pump Module Assembly M2510442: Fuel Pump, Sending Unit and Strainer (Part No.M2510442)
from
$236.99
Carquest Premium fuel pump modules and assemblies are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications for fit, form and function
- 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
- OE upgraded turbine impellers greatly reduce fuel pulsation
- All fuel pumps are 100% performance tested
- Increased rubber footings that are E85 compatible
- Includes installation gaskets or seals where applicable
Delphi – Fuel Pump Module Assembly: With Float Arm, Seal (Part No.FG0411)
from
$401.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.
Product Features:
See More
Product Features:
- Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
- Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
- Lower amperage draws less load on vehicle’s electrical system
- Part is validated, tested and matched to the right vehicle application
- Always be sure to check and clean fuel tank to avoid unnecessary returns
- Lower failure rates due to its innovative design and durability
Delphi – Fuel Pump Module Assembly: With Float Arm, Seal (Part No.FG0516)
from
$346.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.
Product Features:
See More
Product Features:
- Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
- Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
- Lower amperage draws less load on vehicle’s electrical system
- Part is validated, tested and matched to the right vehicle application
- Always be sure to check and clean fuel tank to avoid unnecessary returns
- Lower failure rates due to its innovative design and durability
Spectra Premium – Fuel Pump Wiring Harness (Part No.FPW53)
from
$16.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium wiring harnesses meet or exceed the performance of the original equipment they replace.
Product Features:
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Product Features:
- Manufactured with the highest grade materials to ensure product durability
- Wires are coded with a durable plastic insulator for long lasting performance
- All applicable hardware and components provided for product installation
- Engineered and developed in Canada to replace corroded, damaged or worn out electrical connectors
- Rigid and heat resistant molded connector to prevent electrical issues
- 100% factory tested to meet or surpass OE specifications
Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)
from
$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
Product Features:
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Product Features:
- BAR Certified adapters
- Adapter check’s a fuel cap’s ability to hold pressure.
- Adapters meet EPA standards for recommended fleet coverage.
- Check adapter application chart for specific makes and models
Popular 2003 Chevrolet Trailblazer Ext Fuel Pumps Categories
Most Popular Fuel Pump Harnes for 2003 Chevrolet Trailblazer Exts
Enhance your 2003 Chevrolet Trailblazer Ext with this popular Fuel Pump Harnes we have in stock, for $16.99.
Spectra Premium – Fuel Pump Wiring Harness (Part No.FPW53)
from
$16.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium wiring harnesses meet or exceed the performance of the original equipment they replace.
Product Features:
See More
Product Features:
- Manufactured with the highest grade materials to ensure product durability
- Wires are coded with a durable plastic insulator for long lasting performance
- All applicable hardware and components provided for product installation
- Engineered and developed in Canada to replace corroded, damaged or worn out electrical connectors
- Rigid and heat resistant molded connector to prevent electrical issues
- 100% factory tested to meet or surpass OE specifications
Best-Selling 2003 Chevrolet Trailblazer Ext Fuel Cap Tester Adapter
Upgrade your Trailblazer Ext with our best-selling Fuel Cap Tester Adapter.
Carquest Premium – Fuel Cap Tester Adapter (Part No.12422)
from
$39.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
Product Features:
See More
Product Features:
- BAR Certified adapters
- Adapter check’s a fuel cap’s ability to hold pressure.
- Adapters meet EPA standards for recommended fleet coverage.
- Check adapter application chart for specific makes and models
Top-Quality Fuel Pumps for 2003 Chevrolet Trailblazer Exts
Choose a high-quality OEM or aftermarket Fuel Pump for Chevrolet Trailblazer Exts and enjoy top-notch performance from $159.99.
Carquest Premium – Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (Part No.M2510465)
from
$159.99
Carquest Premium fuel pump modules and assemblies are engineered by Carter Fuel Systems or Agility Auto Parts to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.
Product Features:
See More
Product Features:
- Meets or exceeds OE specifications for fit, form and function
- 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
- OE upgraded turbine impellers greatly reduce fuel pulsation
- All fuel pumps are 100% performance tested
- Includes installation gaskets or seals where applicable
Delphi – Fuel Pump Module Assembly: With Float Arm, Seal (Part No.FG0411)
from
$401.99
Delphi is a Tier 1 supplier to the majority of global vehicle manufacturers and has been a manufacturer of dependable fuel pumps and fuel delivery parts for over 80 years. With over 30 OE-proprietary innovations and 150 patents in fuel technologies, Delphi is regarded as a market leader in North American fuel management with sales coverage at over 95%. Learn more about our expert-led training programs and tech hotline at 1-877-463-3574. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.
Product Features:
See More
Product Features:
- Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
- Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
- Lower amperage draws less load on vehicle’s electrical system
- Part is validated, tested and matched to the right vehicle application
- Always be sure to check and clean fuel tank to avoid unnecessary returns
- Lower failure rates due to its innovative design and durability
Dorman – Fuel Pump Module: Includes, Fuel Pump; Harness and Connectors (Part No.2630353)
from
$212.99
This fuel pump module assembly matches the fit and function of the original parts in specific vehicles. Built from durable materials, this pump is designed to be reliable over a long service life.
Product Features:
See More
Product Features:
- Direct replacement – this fuel pump assembly matches the fit and function of the original equipment fuel pump on specified vehicles
- Durable construction – this fuel pump is made of quality materials for a long service life
- Saves money – offers original equipment quality at a competitive price
- Quality assured – this fuel pump assembly has undergone rigorous testing to ensure reliable performance
FAQs for 2003 Chevrolet Trailblazer Ext Fuel Pumps
What are the best-selling Fuel Pumps for 2003 Chevrolet Trailblazer Exts?
Out of 5 Fuel Pumps that fit 2003 Chevrolet Trailblazer Exts, the following parts are the top sellers:
- Fuel Pump Module Assembly: With Float Arm, Seal (20772457) – $401.99
- Fuel Pump Wiring Harness (11150788) – $16.99
- Fuel Cap Tester Adapter (5020088) – $39.99
What’s the price range for 2003 Chevrolet Trailblazer Ext Fuel Pumps?
The prices of Fuel Pumps for the 2003 Chevrolet Trailblazer Ext range from $16.99 up to $401.99 for the most premium parts.
What is the average price of a Fuel Pump for a 2003 Chevrolet Trailblazer Ext?
The average price for Fuel Pumps for the 2003 Chevrolet Trailblazer Ext is $161.21. Keep in mind the variety of part types within our Fuel Pump category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Fuel Pumps for other Chevrolet Trailblazer Ext model years?
What are the cheapest Fuel Pumps for my 2003 Chevrolet Trailblazer Ext?
The cheapest 2003 Chevrolet Trailblazer Ext Fuel Pumps we carry are:
- Fuel Pump Wiring Harness (11150788) – $16.99
- Fuel Cap Tester Adapter (5020088) – $39.99
- Fuel Pump Module Assembly: Fuel Pump, Sending Unit and Strainer (11646164) – $159.99
- Fuel Pump Module: Includes, Fuel Pump; Harness and Connectors (12518527) – $212.99
- Fuel Pump Module Assembly: With Float Arm, Seal (20772457) – $401.99
Does Advance Auto Parts sell Fuel Pumps for any other 2003 Chevrolet models?
Yes. We stock Fuel Pumps for 29 other popular 2003 Chevrolet models. Some of the most popular are 2003 Tahoe Fuel Pumps, 2003 Impala Fuel Pumps, 2003 Silverado 1500 Fuel Pumps, 2003 Malibu Fuel Pumps, and 2003 Suburban 1500 Fuel Pumps.
What are the top-rated Fuel Pumps that fit the 2003 Chevrolet Trailblazer Ext?
The one 2003 Chevrolet Trailblazer Ext Fuel Pump we have in stock is the Fuel Pump Wiring Harness. It costs $16.99.
What types of Fuel Pumps do you sell for my 2003 Chevrolet Trailblazer Ext?
As of 11/2/25, these are some of the most in-demand types of Fuel Pumps for a 2003 Chevrolet Trailblazer Ext:
Can I get help with 2003 Chevrolet Trailblazer Ext Fuel Pump orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Fuel Pumps and more.
What is your return policy for Chevrolet Trailblazer Ext Fuel Pumps?
Advance Auto Parts keeps returns simple. For new Chevrolet Trailblazer Ext Fuel Pumps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.